Uppsatser om atmospheric deposition

7 uppsatser

Är bor nödvändigt vid skogsgödsling i Sverige?

Magisteruppsats · SLU

… with marinesediments. Boron added to the soil originates by most parts from atmospheric deposition andweathering of organic matter. The deposition levels differ in different parts of Sweden. Innorthern Sweden the deposition levels are low except from a belt along the coastline …

Årstidsdynamik för kvicksilver i ett sövattensediment :

Examensarbete · SLU

… any industrial pollution and concentrations of Hg in the sediment reflect the atmospheric deposition in this area, as well as processes taking place along the hydrological pathways from soil to lake. Samples from sediment, bottom- and streamwater were collected in average every …

Spårelement i Sveriges jordbruksmark

flöden, trender och fältbalanser

Magisteruppsats · SLU

… elements As, Cd,Cr, Hg, Mn, Ni and Pb. This depends, above all, on a lowered atmospheric deposition. However, in allthree examined farming systems deposition still contributes most to the accumulation of the nondesirabletrace elements Cd, Hg and Pb. In order to decrease the rate …

Annons

Kvalitet i brödvete :

Examensarbete · SLU

… uptake. Under certain conditions the soil can more easily absorb metals. Some atmospheric deposition of cadmium is also a problem. The uptake of cadmium takes place through different chemical processes in the growing plant. Weather parameters, such as light, precipitation and …

Effect of liming and free Ca2+ on Cd uptake of carrots, Daucus carota

Masteruppsats · SLU

… activities such as phosphorus fertilizing, liming, import of feed, and atmospheric deposition from industrial emissions. Cadmium in the soil will be taken up by crops and is thereby transferred to humans via food. Carrot is one of the crops of concern, both because it may …

Är Lerbodaälven verkligen en problemälv?

undersökning av fosforhalter

Kandidatuppsats · SLU

… net phosphorus load from the private waste water is approximately 320 kg. The atmospheric deposition and the leakage from forest, swamps and open fields is all together approximately 390 kg gross phosphorus/year, natural sources that are hard to decrease. There are a lot of …

Geokemin inom osorterade cirklar

Analys av tungmetallers distribution inom jordprofiler tagna från Abiskoområdet, nordvästra Sverige

Kandidatuppsats · Umeå universitet

… impacted by pollution such as lead (Pb) and mercury (Hg). In this environment deposition of Hg has increased threefold since the last industrial revolution. In this study five cryosolic soil profiles within non-sorted circles (NSC) in the Abisko region, northwest of Sweden, has …